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Questions tagged [microchip]

Microchip Technology is an IC manufacturer, best known for its extensive range of PIC microcontrollers, but also memory and analog function ICs. The term "microchip" is a legacy term for integrated circuits, not just ones designed by Microchip Technologies. The company came into existence and took the name after the term became common parlance.

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What does it mean the MCU has 1 ADC and 10 ADC channels?

I got this AVR Microchip MCU ATtiny 204 chip. Now what I can't get, what do they mean in the datasheet it has 1 ADC and 10 channels ADC? The datasheet:https://datasheet.octopart.com/ATTINY204-SSF-...
Hazardous Voltage's user avatar
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1 answer
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MICRF112: loop vs monopole antenna

I'm designing a PCB that trasmit over 433 MHz with MICRF112. The datasheet says that the device works with monopole or loop antennas. I decided to go with a monopole antenna. This is the example ...
ocirocir's user avatar
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Microchip Libero SOC warning: Sharing sequential element Cmd_TimErr. Add a syn_preserve attribute to the element to prevent sharing

I am programming an FPGA (A3PE3000-FG484) and I get this warning when I ran synthesis in Libero: Sharing sequential element Cmd_TimErr. Add a syn_preserve attribute to the element to prevent sharing. ...
user389831's user avatar
2 votes
1 answer
145 views

Z253 and N1 marking on chips - identification

I have two chips that I don't really know what they could be. The chips with the Z253 marking are connected to a connector, micro and some other things; whereas the N1 marked chips are connected to an ...
Cillantro's user avatar
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2 answers
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Identification for L313 marking, 5 pins

Anyone have any idea what these two chips are? I believe they could be voltage regulators, but I am not too sure as I can't find the documentation anywhere. Both of them are connected to multiple ...
Cillantro's user avatar
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TCC timer from ATSAME54 resets itself

I use an ATSAME54P20A. I want to use the timer TCC0 as a counter. An important function is that I can stop and start the counter again without it resetting itself. According to the data sheet, the ...
userName's user avatar
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How to turn the FT2232H to the FlashPro5?

There is a TEM0001 devboard with integrated programmer which based on the FT2232 chip and recognize by Libero as FlashPro5 and works with PORT A. There is a topic where tells how to config a 93C56 ...
Arseniy's user avatar
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Problem regarding the code that I made for my PIC16F627A microcontroller

i'm facing problem regarding the code that i made for my pic16f627a microcontroller. here are the details so that you may understand exactly what i'm trying to achieve. i have set porta as input and ...
SOCIALIST POET's user avatar
1 vote
2 answers
79 views

How to reprogram PIC18F, if MCLR is disabled in first programming attempt?

I programmed my PIC18F2431 using a PICkit2 with internal master clear MCLR disabled. Now I can't reprogram the chip. How do I enable MCLR again?
Adil Ahmed's user avatar
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2 answers
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ADC interrupt flag in ATmega2560

If we look to datasheet of ATmega2560 https://ww1.microchip.com/downloads/en/devicedoc/atmel-2549-8-bit-avr-microcontroller-atmega640-1280-1281-2560-2561_datasheet.pdf In the ADC Section, page 285, it ...
learn design's user avatar
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How to correctly shift the wipers of MCP4331 per SPI?

I am using an STM32 F401RE to control a Quad 7-bit digital potentiometer MCP 4331 using SPI Mode 0,0 protocol. You can find the datasheet Here. I can see that the microcontroller sends the correct ...
robotter's user avatar
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1 answer
105 views

Mplab XC16: can't use sprintf to convert float to string [closed]

I want to use sprintf function to convert a float to string, here is part of the main.c code : (PIC24JF64GA004) ...
Issam H's user avatar
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145 views

PIC16F1829: how to read device ID using LVP mode?

I am stuck. Datasheet, programming guide. LVP mode. I see how to write to area 0x8000-0x8008 using "load configuration" command, but I do not see how to read this area. It is not a part of ...
Anonymous's user avatar
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Can WINC1500 be used with SPI for connecting to a router?

I'm planning to buy the WINC1500 WiFi module. I have heard that it contains a SPI layer, which can be used for telling the WINC1500 to connect to a router. But as I can see in the documentation, I ...
euraad's user avatar
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1 answer
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Do not get how to time PIC16F USART sending in interrupt-driven environment

Device: PIC16F1829, half-duplex communication (RS-485) The USART is having two registers - TSR and TXREG. Transmit is performed from TSR and process is indicated by TRMT bit. TXREG is second register ...
Anonymous's user avatar
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PICkit 5 giving -109 error when programming PIC

I have a PICkit 5 which I think is correctly connected to a PIC16lf18425. Whenever try to program it I get error -109 I just have a 0.1 uf electrolytic capacitor between GND and VDD and a 10k ohm ...
doge guide's user avatar
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0 answers
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Dual Linux Images on a single partitioned eMMC for OTA updates on SAMA5D27 ARM based MPU

To be able to support OTA updates I want to load the new update image to one partition and have the current running image on the other partition. Then switch partition to run from the new image at ...
CaptainMJ's user avatar
1 vote
1 answer
50 views

MTCH1010 internal pull up resistor draw more current than Icc?

I'm designing a Ultra-low power clock and I want to use a touch sensor for indicate the time since I want to reduce the power draw from the LED display. I found the MTCH1010 from microchip. Based on ...
Sairext Irkaris's user avatar
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1 answer
883 views

How do I make my Microchip MPLAB X IDE project use the free version of the XC32 compiler?

I was previously compiling my C and C++ PIC32 mcu project in Microchip's MPLAB X IDE v6.15 with a paid Pro XC32 compiler license. My license has expired and no amount of buying a new one will fix it, ...
Gabriel Staples's user avatar
-3 votes
1 answer
370 views

Microchip XC32 compiler license erroneously expiring and unable to download: `Error has occured. Please try again.404~Error:-160:` [closed]

I have two development computers, one is Windows 11, and one is Linux Ubuntu 22.04, each with their own Microchip XC32 compiler license activated for use in the MPLAB X IDE v6.10. Both licenses are ...
Gabriel Staples's user avatar
1 vote
1 answer
79 views

Connecting Ethernet to PIC18F97J60

I am currently working on my diploma thesis and since circuit construction is not the main topic, I am unfortunately not making any progress. I would like to connect the PIC18F97J60-IPT with PoE. I ...
simox357's user avatar
26 votes
4 answers
4k views

Why do fabs bother to print circuitry right up to the edges of a wafer when they know that the partial dies will be discarded later?

Around the edge of a wafer (see image below) you will observe that there are many partial dies. It seems wasteful to use the lithography machine to print these partial dies because they will be ...
phil1008's user avatar
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1 answer
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Device with USB C connected to USB A of the computer

We have a portable device with USB B and FTDI FT232RNL and (8 bit MCU) powered by an adapter. Thanks to the EU, we have to implement USB C in it. Our current prototype design is with USB C(replacement ...
Mavoun12's user avatar
1 vote
1 answer
112 views

PIC16F18855 adc read mismatch

I wrote a code for pic16f18855 analog voltage to digital value reading. but I noticed that analog voltage connected to pin RA0 read with RA1 and analog voltage connected to pin RA1 read with RA2 and ...
Alina Khan's user avatar
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0 answers
20 views

Deriving Power Budget for SAMA5D27C from Datasheet

I am spec'ing out my power distribution network and trying to figure out what Buck converters I am going to need for a Microchip MPU design using SAMA5D27C. I am looking through the data sheet below ...
Jack Frye's user avatar
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1 vote
3 answers
125 views

PIC16f628a internal oscillator runs at a lower frequency than expected

Specifically speaking, it runs at almost exactly 1 MHz instead of the supposed 4 supplied by the internal oscillator. This is probably the cause of other strange behaviour like failing to blink an LED ...
Hubert S's user avatar
0 votes
3 answers
185 views

How to find out if the PIC microcontroller is good or dead?

I am working with a PIC microcontroller (part number dsPIC33FJ64MC802). Previously I was able to program it fine. But today, I have powered the PCB which contains the PIC microcontroller, then ...
Vikram's user avatar
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1 answer
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PWM on desired pin PIC18f47k40

trying to question again.. Thanks in advance for any help! I've been working with PIC chips for a while and recently using a PIC18f47k40. I cannot get the PWM via CCP or the separate PWM modules to ...
Lukas Brenner's user avatar
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0 answers
111 views

How do I choose the right microcontroller?

I have a new project that requires deploying deep learning algorithms on embedded chips.I'm new to this field, so I'm not quite sure what metrics do I need to choose based on.Such as how much RAM, ...
Killuaisaack's user avatar
1 vote
1 answer
113 views

PIC16F1825 trouble with simple increment MPLAB XC8

I have set myself up with on a breadbord with a simple PI16F1825. I am using MPLAB x with XC8 V2.45 i have a led that turn on/off every second using the simple delay function. i would just like to ...
old_fool's user avatar
0 votes
3 answers
95 views

How can I find VDD in a Microchip datasheet?

I am horribly lost on how to find the value and location of VDD pins in the datasheet found on this webpage. Are there no table of contents for microcontrollers in general?
Seth Shill's user avatar
1 vote
0 answers
50 views

Issues with AVRISP MKII programmer

I am trying to program ATtiny10 using AVRISP MKII programmer and AVRDUDESS, spend 2 days trying to flash it but had no luck. Now I came up with a few issues regarding AVRISP MKII programmer, which ...
Dominykas's user avatar
  • 433
0 votes
4 answers
282 views

NE555, 50% duty cycle at 110kHz

I want to get an NE555 chip with a 50% duty cycle to 108-110kHz in output. I have already experimented with various online calculators and values. However, I never get the values that allow me to do ...
dessi's user avatar
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0 answers
124 views

Interfacing TM1640 LED driver with 7 segment display and PIC microcontroller

I have a customized LED display in which AIP1640 driver IC mounted on it and I think it's equivalent to TM1640. So does anyone have a working library for this driver? I want to interface it with ...
SUJIT MISHRA's user avatar
1 vote
1 answer
95 views

USB2244 card power is never supplied and USB port is not detected [closed]

I have been trying to use the USB2244 on a board but I can't seem to get it working and I am not sure what the problem is. I went over and over the datasheet but can't seem to figure out what I'm ...
kumar's user avatar
  • 11
0 votes
1 answer
92 views

Connecting external clock source in PIC 18F4520

I require a delay of about 30 minutes using timers in PIC 18F4520. Using an internal crystal of 16 MHz, I would not be get desired delay from internal clock source. I thought of using external crystal ...
newbie's user avatar
  • 25
0 votes
2 answers
149 views

Planning a University Course: Advantages of modern MCU platforms [closed]

I want to get sincere advice regarding the use of microcontrollers in educational institutes. I am an Engineer at a University in India. We have been using PIC microcontrollers (PIC16 and PIC18) for ...
Zerox's user avatar
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0 votes
1 answer
88 views

I need the part name or description of below U12 i the PCB

I need the part name or description the U12 in the PCB highlighted.
Docrey's user avatar
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0 answers
152 views

microSDXC responding to SPI ACMD41 with SD mode?

For a project I am working on, I need to access raw blocks from a microSDXC 128GB card (SanDisk) using SPI, and I am writing my own code to do this. I am using a PIC18F87K22 microchip to talk to the ...
kmikels's user avatar
1 vote
1 answer
75 views

Why do my MCU's capacitive voltage divider results change with different power supplies?

I've started experimenting with the onboard capacitive voltage divider inside the PIC18F47Q43. I've had success getting it up and running and getting usable results. This is the block diagram of it: ...
ezra_vdj's user avatar
  • 620
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0 answers
105 views

Ziegler–Nichols method of PID auto tuning

I am working on a problem where I need to implement auto tuning PID control using Ziegler–Nichols method. Basically I want to control temperature using it. The PID has to be implemented with the ...
newbie's user avatar
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0 votes
3 answers
252 views

Unstable output of ADC

I am trying to read the voltage from analog sensor via ADC of pic18 microcontroller. It has 10 bit ADC i.e. 1024 steps. But measuring a voltage of 2 V range (approx) my result keeps fluctuating + and -...
newbie's user avatar
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2 votes
2 answers
218 views

ATmega328P bootloader

I have read the complete datasheet of the ATmega328P but have a few confusions regarding the chip. In the datasheet in a section I have found that there is no specific bootloader section and also the ...
kam1212's user avatar
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0 votes
1 answer
63 views

PIC32CX BZ2 register names don't match documentation

Preamble: I use MPLABx 6.1, the compiler (XC32) is installed and functions correctly, the correct device (WBZ451 with PIC32CX) is selected and xc.h is included. I have about 15 years experience with a ...
Gambanishu Habbeba's user avatar
0 votes
1 answer
165 views

Can someone help me identify this chip on a robot vacuum?

It’s on a Rowenta Xplorer series 50, seems like it controls one of the wheel motors and it fried
Axton's user avatar
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0 votes
1 answer
84 views

Output of the built in ADC in PIC 18F4520

I am trying to use the built in ADC of a PIC 18F4520. The input is a voltage signal from an analog sensor whose output varies with temperature. It comes to be about 5.2 V at a certain temperature. I ...
newbie's user avatar
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1 vote
2 answers
256 views

Arithmetic calculation error using PIC 18F4520 [closed]

I am trying to solve an equation using a PIC 18F4520 but the result that I am getting is not matching to the accurate answer that I calculated with Matlab. The part of the equation is ...
newbie's user avatar
  • 25
-1 votes
2 answers
106 views

Why don't microchips fail from repeated heat cycles? [closed]

Microchips can experience a pretty wide range of temperatures and they don't seem to crack or experience substantial fatigue from constant expansion and contraction. Why is this?
Aden's user avatar
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1 vote
0 answers
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Strange.. UART accessing U1RXREG is not emptying buffer? PIC32

Not sure what's going on this PIC32 device, the ISR is only getting the first 8 characters (the size of the FIFO buffer) the first time it receives a string. Subsequent string arrivals cause an ...
Real-Knowledge-8592's user avatar
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0 answers
30 views

Arithmetic calculation using long double in PIC 18F4520

I need to know the maximum size of number (number of decimal digits) that we can multiply using PIC18F4520. I am using long double because I need a decimal value of high precision and calculations ...
newbie's user avatar
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